Home / 311,125.50-466,688.25-89,509.50

Finding the Fourth Proportional to 311,125.50, 466,688.25 and 89,509.50

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Solution

The fourth proportional to 311,125.50, 466,688.25 and 89,509.50 is: 134,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,125.50 : 466,688.25 = 89,509.50 : x
  2. Step 2: Convert to fraction form
    311,125.50/466,688.25 = 89,509.50/x
  3. Step 3: Cross multiply
    311,125.50x = 466,688.25 × 89,509.50
  4. Step 4: Simplify right side
    311,125.50x = 41,773,031,913.38
  5. Step 5: Solve for x
    x = 41,773,031,913.38/311,125.50
  6. Step 6: Final answer
    x = 134,264.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.